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Diffstat (limited to 'sys/kern/kern_condvar.c')
-rw-r--r--sys/kern/kern_condvar.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/kern/kern_condvar.c b/sys/kern/kern_condvar.c
index 160434b..7852234 100644
--- a/sys/kern/kern_condvar.c
+++ b/sys/kern/kern_condvar.c
@@ -146,7 +146,9 @@ cv_switch_catch(struct thread *td)
mtx_unlock_spin(&sched_lock);
p = td->td_proc;
PROC_LOCK(p);
+ mtx_lock(&p->p_sigacts->ps_mtx);
sig = cursig(td);
+ mtx_unlock(&p->p_sigacts->ps_mtx);
if (thread_suspend_check(1))
sig = SIGSTOP;
mtx_lock_spin(&sched_lock);
@@ -283,6 +285,7 @@ cv_wait_sig(struct cv *cvp, struct mtx *mp)
mtx_unlock_spin(&sched_lock);
PROC_LOCK(p);
+ mtx_lock(&p->p_sigacts->ps_mtx);
if (sig == 0)
sig = cursig(td); /* XXXKSE */
if (sig != 0) {
@@ -291,6 +294,7 @@ cv_wait_sig(struct cv *cvp, struct mtx *mp)
else
rval = ERESTART;
}
+ mtx_unlock(&p->p_sigacts->ps_mtx);
if (p->p_flag & P_WEXIT)
rval = EINTR;
PROC_UNLOCK(p);
@@ -446,6 +450,7 @@ cv_timedwait_sig(struct cv *cvp, struct mtx *mp, int timo)
mtx_unlock_spin(&sched_lock);
PROC_LOCK(p);
+ mtx_lock(&p->p_sigacts->ps_mtx);
if (sig == 0)
sig = cursig(td);
if (sig != 0) {
@@ -454,6 +459,7 @@ cv_timedwait_sig(struct cv *cvp, struct mtx *mp, int timo)
else
rval = ERESTART;
}
+ mtx_unlock(&p->p_sigacts->ps_mtx);
if (p->p_flag & P_WEXIT)
rval = EINTR;
PROC_UNLOCK(p);
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